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WO2018170044A8 - Speech privacy system and/or associated method - Google Patents

Speech privacy system and/or associated method Download PDF

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Publication number
WO2018170044A8
WO2018170044A8 PCT/US2018/022315 US2018022315W WO2018170044A8 WO 2018170044 A8 WO2018170044 A8 WO 2018170044A8 US 2018022315 W US2018022315 W US 2018022315W WO 2018170044 A8 WO2018170044 A8 WO 2018170044A8
Authority
WO
WIPO (PCT)
Prior art keywords
speech
signal
original
replica
frequency ranges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2018/022315
Other languages
French (fr)
Other versions
WO2018170044A1 (en
Inventor
Alexey Krasnov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guardian Glass LLC
Original Assignee
Guardian Glass LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guardian Glass LLC filed Critical Guardian Glass LLC
Priority to JP2019550801A priority Critical patent/JP2020514819A/en
Priority to CN201880030334.XA priority patent/CN110800052A/en
Priority to BR112019019159A priority patent/BR112019019159A2/en
Priority to KR1020197028735A priority patent/KR20190122788A/en
Priority to DE112018001333.2T priority patent/DE112018001333T5/en
Publication of WO2018170044A1 publication Critical patent/WO2018170044A1/en
Anticipated expiration legal-status Critical
Publication of WO2018170044A8 publication Critical patent/WO2018170044A8/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/1752—Masking
    • G10K11/1754—Speech masking
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/06—Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids
    • G10L21/16—Transforming into a non-visible representation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/87—Detection of discrete points within a voice signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/41—Jamming having variable characteristics characterized by the control of the jamming activation or deactivation time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/46—Jamming having variable characteristics characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/84—Jamming or countermeasure characterized by its function related to preventing electromagnetic interference in petrol station, hospital, plane or cinema
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • General Health & Medical Sciences (AREA)
  • Data Mining & Analysis (AREA)
  • Otolaryngology (AREA)
  • Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Public Health (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Certain example embodiments relate to speech privacy systems and/or associated methods. The techniques described herein disrupt the intelligibility of the perceived speech by, for example, superimposing onto an original speech signal a masking replica of the original speech signal in which portions of it are smeared by a time delay and/or amplitude adjustment, with the time delays and/or amplitude adjustments oscillating over time. In certain example embodiments, smearing of the original signal may be generated in frequency ranges corresponding to formants, consonant sounds, phonemes, and/or other related or non-related information-carrying building blocks of speech. Additionally, or in the alternative, annoying reverberations particular to a room or area in low frequency ranges may be "cut out" of the replica signal, without increasing or substantially increasing perceived loudness.
PCT/US2018/022315 2017-03-15 2018-03-14 Speech privacy system and/or associated method Ceased WO2018170044A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2019550801A JP2020514819A (en) 2017-03-15 2018-03-14 Speech privacy system and / or related methods
CN201880030334.XA CN110800052A (en) 2017-03-15 2018-03-14 Voice privacy system and/or associated method
BR112019019159A BR112019019159A2 (en) 2017-03-15 2018-03-14 speech privacy system and / or associated method
KR1020197028735A KR20190122788A (en) 2017-03-15 2018-03-14 Speech privacy system and / or associated method
DE112018001333.2T DE112018001333T5 (en) 2017-03-15 2018-03-14 LANGUAGE ENCRYPTION SYSTEM AND / OR METHOD OF RELATED APPLICATION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/459,352 US10373626B2 (en) 2017-03-15 2017-03-15 Speech privacy system and/or associated method
US15/459,352 2017-03-15

Publications (2)

Publication Number Publication Date
WO2018170044A1 WO2018170044A1 (en) 2018-09-20
WO2018170044A8 true WO2018170044A8 (en) 2019-11-21

Family

ID=61873961

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2018/022315 Ceased WO2018170044A1 (en) 2017-03-15 2018-03-14 Speech privacy system and/or associated method

Country Status (7)

Country Link
US (1) US10373626B2 (en)
JP (1) JP2020514819A (en)
KR (1) KR20190122788A (en)
CN (1) CN110800052A (en)
BR (1) BR112019019159A2 (en)
DE (1) DE112018001333T5 (en)
WO (1) WO2018170044A1 (en)

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JP2023123215A (en) * 2022-02-24 2023-09-05 パナソニックＩｐマネジメント株式会社 Environment control system and environment control method
WO2024004925A1 (en) * 2022-06-28 2024-01-04 ピクシーダストテクノロジーズ株式会社 Signal processing device, earphone equipped with microphone, signal processing method, and program
CN117746828B (en) * 2024-02-20 2024-04-30 华侨大学 Noise masking control method, device, equipment and medium for open office
WO2025227281A1 (en) * 2024-04-28 2025-11-06 瑞声开泰声学科技(上海)有限公司 Voice masking method and system, electronic device and computer-readable storage medium
KR102849165B1 (en) * 2025-05-30 2025-08-26 주식회사 에이알이 Realtime Receiver Tracking Based AI Active Noise Control Method and System

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Also Published As

Publication number Publication date
US10373626B2 (en) 2019-08-06
US20180268836A1 (en) 2018-09-20
WO2018170044A1 (en) 2018-09-20
CN110800052A (en) 2020-02-14
BR112019019159A2 (en) 2020-04-14
DE112018001333T5 (en) 2019-12-05
JP2020514819A (en) 2020-05-21
KR20190122788A (en) 2019-10-30

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